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Surf Forecasts:
Sakawa River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Friday 05 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Sakawa River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sakawa River sea temperature is
20.6° C
(Which is slightly warmer than usual)How big are the waves at Sakawa River today?
The current surf forecast for Sakawa River at 12AM is: 0.2m 10s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a Southwest direction (forecast issued at 08:00pm December 05). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | - | - |
| Afternoon (06 Dec) | - | - |
| Evening (06 Dec) | 0.5ft (0.2m) | 10s |
Table - waves today at Sakawa River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 8 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 10 | 9 | 9 | 9 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 22 | 22 | 21 | 10 | 7 | 23 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | glass | cross- off | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | off | glass | glass | on | glass | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:38PM 1.57 | 6:18AM 1.51 | 4:19PM 1.59 | 7:06AM 1.47 | 5:01PM 1.57 | 7:52AM 1.41 | ||||||||||||||||||
Low Tide / height (m) | 10:59PM -0.15 | 11:10AM 1.04 | 11:44PM -0.14 | 11:51AM 1.06 | 12:30AM -0.07 | 12:34PM 1.05 | ||||||||||||||||||
Fri 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 |
 | | | | |  |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 8 | 8 | 7 | 8 | 11 | 12 | 11 | 11 | 9 | 8 | 7 | 9 | 12 | 13 | 12 | 11 | 11 | 10 | 9 | 11 | 15 | 16 |
| Feels °C (?) | 5 | 5 | 5 | 5 | 4 | 5 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 6 | 9 | 10 | 10 | 8 | 8 | 7 | 6 | 8 | 12 | 12 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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